96 lines
3.5 KiB
Plaintext
96 lines
3.5 KiB
Plaintext
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//+------------------------------------------------------------------+
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//| An associative array or a dictionary storing elements as |
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//| <key - value>, where a key may be represented by any base type, |
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//| and a value may be represented be a CObject type object. |
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//+------------------------------------------------------------------+
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#include <Object.mqh>
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#include <Arrays\List.mqh>
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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class CDictionary
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{
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private:
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CList *m_array[]; // List array.
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template<typename T>
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bool AddObject(T key,CObject *value);
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};
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//+------------------------------------------------------------------+
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//| Adds a CObject type element with a T key to the dictionary |
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//| INPUT PARAMETRS: |
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//| T key - any base type, for instance int, double or string. |
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//| value - a class that derives from CObject. |
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//| RETURNS: |
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//| true, if the element has been added, otherwise - false. |
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//+------------------------------------------------------------------+
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template<typename T>
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bool CDictionary::AddObject(T key,CObject *value)
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{
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if(ContainsKey(key))
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return false;
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if(m_total==m_array_size)
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{
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printf("Resize"+m_total);
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Resize();
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}
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if(CheckPointer(m_array[m_index])==POINTER_INVALID)
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{
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m_array[m_index]=new CList();
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m_array[m_index].FreeMode(m_free_mode);
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}
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KeyValuePair *kv=new KeyValuePair(key,m_hash,value);
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if(m_array[m_index].Add(kv)!=-1)
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m_total++;
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if(CheckPointer(m_current_kvp)==POINTER_INVALID)
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{
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m_first_kvp=kv;
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m_current_kvp=kv;
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m_last_kvp=kv;
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}
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else
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{
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m_current_kvp.next_kvp=kv;
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kv.prev_kvp=m_current_kvp;
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m_current_kvp=kv;
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m_last_kvp=kv;
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}
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return true;
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}
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/*
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//+------------------------------------------------------------------+
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//| Dictionary.mqh |
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//| Copyright 2018, MetaQuotes Software Corp. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2018, MetaQuotes Software Corp."
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#property link "https://www.mql5.com"
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#property version "1.00"
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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class CDictionary
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{
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private:
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public:
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CDictionary();
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~CDictionary();
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};
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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CDictionary::CDictionary()
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{
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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CDictionary::~CDictionary()
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{
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}
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//+------------------------------------------------------------------+
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*/
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//+------------------------------------------------------------------+
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